Ankle brace



FIG. 1 is a front perspective view of an ankle brace, showing our new design, in use condition;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front perspective view thereof, in open condition; and,

FIG. 4 is a front perspective view of an alternative arrangement, in use condition.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an ankle brace, as shown and described. 